2 years ago

(3 + 12) + 25 = 3 + (12 + 25)

1 answer:

6 0

Answer:Commutative property of addition

Step-by-step explanation: It’s because you’re adding stuff

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IgorLugansk [536]

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DiKsa [7]

Answer:

slope = 3

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (1, 2) and (x₂, y₂ ) = (3, 8)

m = $\frac{8-2}{3-1}$ = $\frac{6}{2}$ = 3

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2 years ago

stiks02 [169]

By substitution,

1.5x - 6 = -4.5x + 21

6x = 27

x = 4.5

Hence, y = 1.5(4.5) - 6 = 0.75

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3 years ago